作“花费”解时，主语多是形式主语it, 也可以是某项活动，常用于“it takes somebody some time to do something” 结构中，意为“花费(某人)……的时间做某事”，该结构中it 是形式主语，真正的主语是to do something。

It took him much time to find the elephant.

It took me three days to finish reading the novel.

The flight from Shanghai to Los Angeles takes more than fourteen hours.

三、练习：

1 It’s ten o’clock now. It’s time ___ you __bed.

A of, to go to B of, go to C for, go D for, to go to 2 The two boys____their homework on Sunday evening. A aren’t B don’t do C don’t D aren’t to

3 Eddie is Hobo’s master. He knows how to_____Hobo. A look at B look after C to go D going 4 I have three friends. Let’s ______to meet them. A goes B go C to go D going 5 The tomatoes look_____ and sell_____. A good, well B good, good C well, good D well, well 6-______Millie at home?

A read B reading C to read D reads 8 ___he good at singing? ______he often listen to music? A Does, Does B Does，Is C Is, Does D Is, Is 9 When _____ you often_____ in the morning? A do, get up B are, get up C are, getting up D do, gets up 10 -Your mother ___very young. -Thank you.

A looks B looks C looks like D look 11_____child is that girl？

A Whose B Who C Which D What 12-Do you have ____ after school? -No, we don’t.